参数资料
型号: L6727TR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 1.5 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO8
封装: LEAD FREE, SOP-8
文件页数: 17/34页
文件大小: 974K
代理商: L6727TR
20 A demonstration board
L6727
24/34
Doc ID 12933 Rev 4
Figure 14.
20 A demonstration board schematic
HSD
VIN_POWER
LSG1
UGATE
BOOT
PHASE
GND
VCC
GND
COMP
FB
COMP
VCC_PIN
FB
OUT
PHASE
OUT
LSG2LSG2LSG2LSG2LSG2LSG2LSG2LSG2LSG2LSG2LSG2LSG2
UGATE
HSG
LGATELGATE
VCC
VCC_PIN
LGATE
PHASE
OUT
HSG
PHASE
HSD
GND
LSG1
PHASE
GND
LSG2
PHASE
0
VIN_POWER
GNDIN_POWER
0
VCC
GNDCC
0
VOUT
0
GNDOUT
0
C33
NC
C33
NC
R14
NC
R14
NC
COMPCOMP
1
2
L2
T60-18
6Ts
L2
T60-18
6Ts
1
3
2
Q6
NC
Q6
NC
FBFB
GNDGND
VOUT1VOUT1
C21
NC
C21
NC
R4
1.8
R4
1.8
UGATEUGATE
C13
4.7uF
C13
4.7uF
4
5
1
6
7
8
2
3
Q1
NC
Q1
NC
C34
NC
C34
NC
R13
3.9k
R13
3.9k
4
5
1
6
7
8
2
3
Q2
NC
Q2
NC
C37
NC
C37
NC
R8
0
R8
0
C23
6.8nF
C23
6.8nF
R3
2.2
R3
2.2
C36
NC
C36
NC
R11
0
R11
0
C15
NC
C15
NC
C22
NC
C22
NC
C27
NC
C27
NC
GNDOUT1GNDOUT1
GNDIN1GNDIN1
1
3
2
Q4
STD55NH2LL
Q4
STD55NH2LL
C16
NC
C16
NC
C3
NC
C3
NC
R9
2.2k
R9
2.2k
C38
1uF
C38
1uF
R17
2.2
R17
2.2
C5
NC
C5
NC
C14
1uF
C14
1uF
VIN1VIN1
C28
NC
C28
NC
PHASEPHASE
C19
NC
C19
NC
C10
100nF
C10
100nF
C4
NC
C4
NC
C35
33pF
C35
33pF
C17
NC
C17
NC
C11
4.7uF
C11
4.7uF
R6
12k
R6
12k
R12
NC
R12
NC
1
3
2
Q5
STD90NH2LL
Q5
STD90NH2LL
C7
NC
C7
NC
C31
NC
C31
NC
R10
NC
R10
NC
C29
NC
C29
NC
C6
NC
C6
NC
R18
NC
R18
NC
C18
2200uF
C18
2200uF
C25
2200uF
C25
2200uF
R7
33k
R7
33k
R5
0
R5
0
1
2
L1
NC
L1
NC
R15
NC
R15
NC
C2
1800uF
C2
1800uF
C1
1800uF
C1
1800uF
R1
3.3
R1
3.3
LGATELGATE
C9
NC
C9
NC
C32
NC
C32
NC
C20
NC
C20
NC
C24
10nF
C24
10nF
D1
1N4148
D1
1N4148
C12
4.7uF
C12
4.7uF
R16
0
R16
0
VCC
5
GND
3
FB
6
UGATE
2
BOOT
1
COMP
7
PHASE
8
LGATE
4
L6726A/27
U1
L6726A/27
U1
4
5
1
6
7
8
2
3
Q3
NC
Q3
NC
VCCVCC
C30
NC
C30
NC
C26
NC
C26
NC
C8
NC
C8
NC
R2
3.3
R2
3.3
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